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TableGenerator.pkColumnValue

Annotation Element javax.persistence.TableGenerator String pkColumnValue (Optional) The primary key value in the generator table that distinguishes this set of generated values from others that may be stored in the table. Defaults to a provider-chosen value to store in the primary key column of the generator table Default value: "" Since: JPA 1.0
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Key.serialized

Annotation Element javax.jdo.annotations.Key String serialized Whether the key is to be stored serialized (into a single column of a join table). Returns: whether the key is to be stored serialized Default value: "" Since: JDO 2.1
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Value.serialized

Annotation Element javax.jdo.annotations.Value String serialized Whether the value is to be stored serialized (into a single column of a join table). Returns: Whether the value is to be stored serialized (into a join table) Default value: "" Since: JDO 2.1
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javax.jdo.listener.LoadCallback

javax.jdo.listener Interface LoadCallback Subinterfaces: InstanceCallbacks This interface is used to notify instances of load events. Since: JDO 2.0 void jdoPostLoad() Called after the values are loaded from the data store into this instance. Called after the values are loaded from the data store
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Column.length

Annotation Element javax.jdo.annotations.Column int length Maximum length of data stored in this column. Returns: the maximum length of data stored in this column Default value: -1 Since: JDO 2.1
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preStore(event)

Method javax.jdo.listener.StoreLifecycleListener void preStore( InstanceLifecycleEvent event ) Invoked whenever a persistent instance is stored, for example during javax.jdo.PersistenceManager.flush or javax.jdo.Transaction.commit. It is called before the method StoreCallback.jdoPreStore is invoked. Parameters: event - the store event. Since: JDO 2.0
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setSynchronization(sync)

is called prior to flushing instances to the data store. The afterCompletion method is called after performing state transitions of persistent and transactional instances, following the data store commit
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setConnectionUserName(userName)

Method javax.jdo.PersistenceManagerFactory void setConnectionUserName( String userName ) Set the user name for the data store connection. Parameters: userName - the user name for the data store connection. Since: JDO 1.0
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setConnectionURL(url)

Method javax.jdo.PersistenceManagerFactory void setConnectionURL( String url ) Set the URL for the data store connection. Parameters: url - the URL for the data store connection. Since: JDO 1.0
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setConnectionFactory2Name(connectionFactoryName)

Method javax.jdo.PersistenceManagerFactory void setConnectionFactory2Name( String connectionFactoryName ) Set the name for the second data store connection factory. This is needed for managed ... : connectionFactoryName - the name of the data store connection factory. Since: JDO 1.0

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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